
$(document).ready(function(){
  $("#world").click(function(){
    $('.ticket').fadeIn()
    $('.mask').fadeIn()

    loop1()
  });
  function loop1(){
    airplane.mesh.rotation.x = 1
    airplane.mesh.rotation.z = 0
    jitui.mesh.rotation.x = -1.5
    qingjiao.mesh.rotation.x = -1.5
    renderer.render(scene, camera);
    requestAnimationFrame(loop1);
   }

});